xii ILLUSTRATIONS 
FIG. PAGE 
39. Distribution of Crab-grass. Each dot representing a 
correspondent reporting this grass important . 186 
40. Distribution of Carpet-grass . - 188 
41. Plat of Bluestefi (Agropyron ree in Grass- 
garden at Washington, D.C. (United States De- 
partment of Agriculture) A $ ‘ : - 190 
42. Seaside Blue-grass (Poa macrantha), near Astoria, 
Oregon. Protecting sand-dune from erosion by 
the wind . ‘ ; F ‘ 7 . « 195 
43. Typical View on Benes of the West. Showing £ly- 
mus condensatus in low alkaline soil ‘ 5 + 199 
44. Greensward in Public Gordens, Boston, Mass. + 212 
45. Lawn-mowers, or Turf-makers, in Druid Hill Park, 
Baltimore, Md. ; . ‘ i ‘ . 213 
46. Varieties of Timothy . : 230 
47. Varieties of Timothy . , : é 231 
48. Improved Varieties of Brome-grass 2 233 
49. Penicillaria, or Pearl Millet ‘ ; ; 235 
50. A Spike i A 7 ‘ 237 
51. A Spikelet . i ‘ . c a | 237: 
52, A Panicle . : : ‘ , + 239 
53. Parts of a Single Floret . ‘ : . 241 
54. Showing Action of Pollen . ‘ . : » 241 
